/* ============================================
   BevAlc Intelligence - Enhanced Animations
   Inspired by Deliveron.org design
   ============================================ */

/* Scroll Reveal Animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-60px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-scale.visible {
    opacity: 1;
    transform: scale(1);
}

/* Staggered children animations */
.stagger-children > * {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0.05s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.15s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.2s; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.25s; }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.3s; }
.stagger-children.visible > *:nth-child(7) { transition-delay: 0.35s; }
.stagger-children.visible > *:nth-child(8) { transition-delay: 0.4s; }
.stagger-children.visible > *:nth-child(9) { transition-delay: 0.45s; }
.stagger-children.visible > *:nth-child(10) { transition-delay: 0.5s; }
.stagger-children.visible > *:nth-child(11) { transition-delay: 0.55s; }

.stagger-children.visible > * {
    opacity: 1;
    transform: translateY(0);
}

/* Enhanced Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-container {
    position: relative;
    z-index: 2;
}

.hero-title {
    overflow: hidden;
}

.hero-title-main,
.hero-title-accent {
    display: block;
    animation: slideUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
    transform: translateY(100%);
}

.hero-title-accent {
    animation-delay: 0.15s;
}

@keyframes slideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-pill {
    animation: fadeInScale 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
    opacity: 0;
    transform: scale(0.9);
}

@keyframes fadeInScale {
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.hero-subtitle {
    animation: fadeIn 0.8s ease 0.5s forwards;
    opacity: 0;
}

.hero-email-signup {
    animation: fadeIn 0.8s ease 0.6s forwards;
    opacity: 0;
}

@keyframes fadeIn {
    to { opacity: 1; }
}

/* Gradient Text Effect for Hero */
.hero-title-accent {
    background: linear-gradient(135deg, #14b8a6 0%, #0ea5e9 50%, #14b8a6 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: slideUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.15s forwards,
               gradientShift 8s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% center; }
    50% { background-position: 200% center; }
}

/* Card Hover Effects */
.lead-signal-card,
.use-case-card,
.pricing-card,
.testimonial-card {
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.3s ease;
}

.lead-signal-card:hover,
.use-case-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3),
                0 0 60px rgba(20, 184, 166, 0.1);
    border-color: rgba(20, 184, 166, 0.3);
}

.pricing-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
}

.pricing-card.featured:hover {
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4),
                0 0 80px rgba(20, 184, 166, 0.15);
}

/* Icon animations */
.lead-signal-icon {
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
                background 0.3s ease;
}

.lead-signal-card:hover .lead-signal-icon {
    transform: scale(1.1) rotate(5deg);
    background: rgba(20, 184, 166, 0.2);
}

/* Button Enhancements */
.btn {
    position: relative;
    overflow: hidden;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
                box-shadow 0.3s ease;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(20, 184, 166, 0.3);
}

.btn:active {
    transform: translateY(0);
}

/* Glow Button Enhanced */
.btn-glow {
    animation: pulseGlow 3s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(20, 184, 166, 0.3),
                    0 4px 15px rgba(0, 0, 0, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(20, 184, 166, 0.5),
                    0 4px 20px rgba(0, 0, 0, 0.4);
    }
}

.btn-glow:hover {
    animation: none;
    box-shadow: 0 0 50px rgba(20, 184, 166, 0.6),
                0 10px 30px rgba(0, 0, 0, 0.4);
}

/* Table Row Animations */
.proof-table tbody tr {
    transition: background 0.3s ease, transform 0.3s ease;
}

.proof-table tbody tr:hover {
    background: rgba(20, 184, 166, 0.08);
    transform: scale(1.01);
}

/* Stats Counter Animation */
.stat-number {
    display: inline-block;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.stat-item:hover .stat-number {
    transform: scale(1.1);
}

/* Navigation Enhancements */
.nav {
    transition: background 0.3s ease, backdrop-filter 0.3s ease;
}

.nav.scrolled {
    background: rgba(5, 11, 18, 0.95);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent-light);
    transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* How It Works Visual Card */
.hiw-sample-card {
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.5s ease;
}

.hiw-sample-card:hover {
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg) translateZ(20px);
    box-shadow: 20px 20px 60px rgba(0, 0, 0, 0.4),
                0 0 40px rgba(20, 184, 166, 0.1);
}

/* Signal Badge Animations */
.signal-badge {
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
                box-shadow 0.3s ease;
}

.signal-badge:hover {
    transform: scale(1.08);
}

.signal-new-company:hover {
    box-shadow: 0 4px 15px rgba(34, 197, 94, 0.4);
}

.signal-new-brand:hover {
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.signal-new-sku:hover {
    box-shadow: 0 4px 15px rgba(168, 85, 247, 0.4);
}

/* Section Title Animation */
.section-title {
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--color-accent-light), transparent);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible .section-title::after,
.section-title.visible::after {
    transform: translateX(-50%) scaleX(1);
}

/* Footer Links */
.footer a {
    position: relative;
    transition: color 0.3s ease;
}

.footer a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent-light);
    transition: width 0.3s ease;
}

.footer a:hover::after {
    width: 100%;
}

/* Testimonial Card Enhancements */
.testimonial-highlight {
    position: relative;
    overflow: hidden;
}

.testimonial-highlight::before {
    content: '"';
    position: absolute;
    top: -40px;
    left: 5%;
    font-size: 200px;
    font-family: Georgia, serif;
    color: rgba(20, 184, 166, 0.05);
    pointer-events: none;
}

.testimonial-quote {
    position: relative;
    z-index: 1;
}

/* Smooth Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-dark);
}

::-webkit-scrollbar-thumb {
    background: rgba(20, 184, 166, 0.3);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(20, 184, 166, 0.5);
}

/* Loading States */
.skeleton {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0.05) 25%,
        rgba(255, 255, 255, 0.1) 50%,
        rgba(255, 255, 255, 0.05) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius-sm);
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Focus States */
input:focus,
button:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.3);
}

/* Mobile Optimizations */
@media (max-width: 768px) {
    .reveal {
        transform: translateY(30px);
    }

    .lead-signal-card:hover,
    .use-case-card:hover {
        transform: translateY(-4px);
    }

    .hiw-sample-card:hover {
        transform: none;
    }

    .btn:hover {
        transform: none;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .reveal,
    .reveal-left,
    .reveal-right,
    .reveal-scale,
    .stagger-children > * {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .hero-title-main,
    .hero-title-accent,
    .hero-pill,
    .hero-subtitle,
    .hero-email-signup {
        animation: none;
        opacity: 1;
        transform: none;
    }

    .btn-glow {
        animation: none;
    }

    .hero-title-accent {
        animation: none;
        -webkit-text-fill-color: var(--color-accent-light);
    }
}

/* Entrance animation for proof table rows */
.proof-table tbody tr {
    opacity: 0;
    animation: tableRowEnter 0.5s ease forwards;
}

.proof-table tbody tr:nth-child(1) { animation-delay: 0.1s; }
.proof-table tbody tr:nth-child(2) { animation-delay: 0.15s; }
.proof-table tbody tr:nth-child(3) { animation-delay: 0.2s; }
.proof-table tbody tr:nth-child(4) { animation-delay: 0.25s; }
.proof-table tbody tr:nth-child(5) { animation-delay: 0.3s; }
.proof-table tbody tr:nth-child(6) { animation-delay: 0.35s; }
.proof-table tbody tr:nth-child(7) { animation-delay: 0.4s; }
.proof-table tbody tr:nth-child(8) { animation-delay: 0.45s; }
.proof-table tbody tr:nth-child(9) { animation-delay: 0.5s; }
.proof-table tbody tr:nth-child(10) { animation-delay: 0.55s; }
.proof-table tbody tr:nth-child(11) { animation-delay: 0.6s; }

@keyframes tableRowEnter {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Floating animation for visual elements */
.mock-card,
.hiw-sample-card {
    animation: gentleFloat 6s ease-in-out infinite;
}

@keyframes gentleFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Parallax-like effect on scroll (JS controlled) */
.parallax-slow {
    transition: transform 0.1s linear;
}

.parallax-fast {
    transition: transform 0.1s linear;
}